LONDON (AP) — Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to distribute than some of its rivals.
The results are based on interim analysis of trials in the U.K. and Brazil of a vaccine developed by Oxford University and manufactured by AstraZeneca. No hospitalizations or severe cases of COVID-19 were reported in those receiving the vaccine.
AstraZeneca is the third major drug company to report late-stage results for a potential COVID-19 vaccine as the world anxiously waits for scientific breakthroughs that will bring an end to a pandemic that has wrought economic devastation and resulted in nearly 1.4 million confirmed deaths.
Pfizer and Moderna last week reported preliminary results from late-stage trials showing their vaccines were almost 95% effective. But, unlike its rivals, the AstraZeneca vaccine doesn’t have to be stored at ultra-cold temperatures, making it easier to distribute, especially in developing countries.
“I think these are really exciting results,” Dr. Andrew Pollard, chief investigator for the trial, said during a news conference. “Because the vaccine can be stored at fridge temperatures, it can be distributed around the world using the normal immunization distribution system. And so our goal … to make sure that we have a vaccine that was accessible everywhere, I think we’ve actually managed to do that.”
The Oxford-AstraZeneca vaccine is also cheaper. AstraZeneca, which has pledged it won’t make a profit on the vaccine during the pandemic, has reached agreements with governments and international health organizations that put its cost at about $2.50 a dose. Pfizer’s vaccine costs about $20 a dose, while Moderna’s is $15 to $25, based on agreements the companies have struck to supply their vaccines to the U.S. government.
All three vaccines must be approved by regulators before they can be widely distributed.
Oxford researchers and AstraZeneca stressed that they aren’t competing with other projects, and that multiple vaccines will be needed to reach enough of the world’s population and end the pandemic.
“We’re not thinking about vaccinations working in terms of one person at a time. We have to think about vaccinating communities, populations, reducing transmission within those populations, so that we really get on top of this pandemic,″ said Sarah Gilbert, a leader of the Oxford research team. “And that’s what it now looks like we’re going to have the ability to contribute to in a really big way.″
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